| University of Calgary - Department of Drama | University of Calgary, Department of Drama | Canada, Calgary, Craigie Hall 2500 University Drive NW | 1975-02-26 | 1978-03-18 | 1975–1978 | 2 | |
| USF Verftet | USF Verftet | Norway, Bergen, Georgernes Verft 12 | 1985-03-28 | 2011-07-09 | 1985–2011 | 8 | |
| University Auditorium, Nnamdi Azikiwe University | University Auditorium, Nnamdi Azikiwe University | Nigeria, Awaka | 2002-09-11 | 2002-09-11 | 2002 | 1 | |
| Ullensaker | Ullensaker | Norway, Ullensaker | 2005-04-06 | -- | 2005 | 1 | |
| Unteatru | Unteatru | Romania, Bucharest, Str. Sfintii Apostoli, nr. 44 | 2017-05-30 | 2020-01-29 | 2017–2019 | 7 | |
| Uddevalla | Uddevalla | Sweden, Uddevalla | 1991-04-02 | 1991-04-03 | 1991 | 1 | |
| Umělecká beseda na Malé straně | Umělecká beseda na Malé straně | Czech Republic, Prague | 1936-03-11 | -- | 1936 | 1 | |
| UIC Theatre | UIC Theatre | United States of America, Chicago, 1044 W Harrison St | 2010-10-01 | 2010-10-10 | 2010 | 1 | |
| Ungdomsmötet i Karlskoga | Ungdomsmötet i Karlskoga | Sweden, Karlskoga | 1911-06-25 | -- | 1911 | 1 | |
| Umstead Park UCC | Umstead Park UCC | United States of America, Raleigh, 8208 Brownleigh Dr | 2018-10-19 | 2018-10-28 | 2018 | 1 | |
| Uppingham Theatre | Uppingham Theatre | England, Oakham, Leicestershire, 32 Stockerston Road, Uppingham | 2014-01-31 | 2014-10-17 | 2014 | 2 | |
| Umeå | Umeå | Sweden, Umeå | 1990-10-26 | 1990-10-27 | 1990 | 1 | |
| Ungdomshuset | Ungdomshuset | Norway, Fiskåbygd | 1952-03-01 | -- | 1952 | 1 | |
| University Theatre, University of Calgary | The University Theatre, University of Calgary | Canada, Calgary | 1970-02-11 | 1970-02-15 | 1970 | 1 | |
| Uleåborg | Uleåborg | Finland, Uleåborg | 1897-03-05 | -- | 1897 | 1 | |
| Université Populaire du Faubourg Saint-Antoine | Université Populaire du Faubourg Saint-Antoine | France, Paris, 157 rue du Faubourg Saint-Antoine | 1908-10-04 | -- | 1908 | 1 | |
| Újvidéki Színház (Novosadsko pozorište) | Újvidéki Színház (Novosadsko pozorište) | Serbia, Novi Sad, Jovana Subotića 3-5 | 1981-04-30 | -- | 1981–2013 | 4 | |
| Uzerche - Cour Jean-Jaurès | Uzerche - Cour Jean-Jaurès | France | 2023-07-25 | -- | 2023 | 2 | |
| Utgard fleirbrukshus | Utgard fleirbrukshus | Norway, Lom, Bergomsvegen 41 | 2015-10-08 | 2015-10-08 | 2015–2017 | 2 | |
| Ungdommens hus | Ungdommens hus | Norway, Tromsø | 1994-03-23 | -- | 1994 | 1 | |
| Upsala Teater | Upsala Teater | Sweden, Uppsala | 1871-11-21 | 1905-03-16 | 1871–1905 | 9 | |
| Universidad Nacional Autónoma de México | Universidad Nacional Autónoma de México (UNAM) | Mexico, Ciudad de México, Av Universidad 3000, Copilco Universidad, Coyoacán. | 1976-03-16 | -- | 1976 | 1 | |
| United States | United States | United States of America, United States | 1911-05-02 | 1952-03-09 | 1911–2017 | 46 | |
| Unitarian Parish House | Unitarian Parish House | United States of America, Anaconda | 1910-05-25 | 1910-05-25 | 1910 | 1 | |
| Ulefoss skole | Ulefoss skole | Norway, Ulefoss, Nome | 2006-09-21 | -- | 2006 | 1 | |
| UCLA School of Law | UCLA School of Law | United States of America, Los Angeles, 385 Charles E Young Dr E | 1999-03- | -- | 1999–2018 | 5 | |
| Uleåborg Teater | Uleåborg Teater | Finland, Uleåborg (Oulu) | 1880-08-13 | 1885-11-08 | 1880–1885 | 2 | |
| University Theatre, Indiana University | University Theatre, Indiana University | United States of America, Bloomington, 275 North Jordan Avenue | 1963-11-04 | 2019-11-17 | 1963–2019 | 5 | |
| Union Hall, University of Adelaide | Union Hall, University of Adelaide | Australia, Adelaide, North Terrace | 1960-08-31 | 1960-11-26 | 1960 | 2 | |
| Ungdomsmötet Amundön | Ungdomsmötet Amundön | Sweden, Göteborg | 1911-07-16 | -- | 1911 | 1 | |
| University Theatre, Bascom Hall | University Theatre, Bascom Hall | United States of America, Madison | 1935-11-04 | -- | 1935 | 2 | |
| Ural'sk | Ural'sk | Russia, Ural'sk | -- | -- | | 1 | |
| University Theatre | University Theatre | United States of America, Washington D.C., The Catholic University of America | 1965-03-19 | 1965-04-03 | 1965 | 1 | |
| Ulvik | Ulvik | Norway, Ulvik | 1951-04-28 | -- | 1951 | 1 | |
| Usine C | Usine C | Canada, Montréal, 1345 Avenue Lalonde | 2003-09-02 | 2003-09-13 | 2003 | 1 | |
| Universitetet i Urbygningen | Universitetet i Urbygningen | Norway, Oslo, Karl Johans gate 47 | 1990-09-07 | 1990-09-14 | 1990–2006 | 3 | |
| Université Cheikh-Anta-Diop | Université Cheikh-Anta-Diop | Senegal, Dakar | 2021-05-25 | -- | 2021 | 1 | |
| Unitarian Assembly Theatre | Unitarian Assembly Theatre | United States of America, Minneapolis | 1928-12-12 | 1928-12-13 | 1928–1934 | 3 | |
| Ustinov Studio | Ustinov Studio | England, Bath, Sawclose, (Behind the Theatre Royal) | 1999-07-01 | 1999-07-03 | 1999 | 1 | |
| University of Iowa Theatre Department | University of Iowa Theatre Department | United States of America, Iowa City, 200 N Riverside Dr | 2006-09-16 | 2006-09-17 | 2006 | 1 | |
| Uggdal i Tysnes | Uggdal i Tysnes | Norway, Uggdal i Tysnes | 2009-07-12 | -- | 2009 | 1 | |
| University of South Florida | University of South Florida | United States of America, Tampa, 3837 USF Holly Drive | 2018-01-11 | 2018-01-28 | 2018 | 1 | |
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